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Proceedings Paper

Er:YAG clinical results on hard tissue: phase I
Author(s): Colette D. Cozean; G. Lynn Powell
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Paper Abstract

Objective: This study was performed in order to establish that the pulpal and dentinal tissue are safe when exposed to the 2.94 micron pulsed Er:YAG laser radiation for the procedures of caries removal, cavity preparation, and etching prior to acid etching. This presentation discusses the histological results of a double-blind study comparing a pulsed Er:YAG with a standard dental drill. Methods: A double-blind histological evaluation of the pulpal and dentinal tissue changes induced by the Erbium laser and the dental drill was conducted on teeth extracted immediately following the dental procedure and at various intervals up to 1 year post-treatment. A statistical analysis was used to determine if any statistically significant clinical differences in dental tissue response could be observed between the Er:YAG laser and the standard dental drill. Conclusions: Analysis of the results indicated there were no significant differences observed between the laser and control groups in this study.

Paper Details

Date Published: 22 April 1998
PDF: 9 pages
Proc. SPIE 3248, Lasers in Dentistry IV, (22 April 1998); doi: 10.1117/12.306018
Show Author Affiliations
Colette D. Cozean, Premier Laser Systems, Inc. (United States)
G. Lynn Powell, Univ. of Utah School of Medicine (United States)


Published in SPIE Proceedings Vol. 3248:
Lasers in Dentistry IV
John D. B. Featherstone; Peter Rechmann; Daniel Fried, Editor(s)

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